High performance ASM3142 chip, can transferring up to10Gbps+10Gbps; With USB 3.1 Type-C x 4 ports & USB 3.1 Type-A x 4 ports; Enjoy 10Gbps fast data transfer speeds and seamless-connectivity with all your favorite UsbC devices; Supports USB 3 2 Backward compatible to USB 1.1 / USB 2.0 / USB 3.0 / 3.1; Our expansion card features a high-performance PCIe interface, ensuring bandwidth and throughput for all your connected devices